Update storage_handler.py

storage_handler.py

@@ -76,8 +76,9 @@ _fs = HfFileSystem(token=HF_TOKEN)
 # ------------------------------------------------------------------------
 def ensure_bucket():
     """Create the private bucket if it doesn't exist."""
+    global OWNER, BUCKET_URI, BUCKET_ID
+
     try:
-        # Try to create bucket
         _api.create_bucket(
             bucket_id=f"{OWNER}/{BUCKET_ID}",
             private=True,
@@ -92,15 +93,14 @@ def ensure_bucket():
             logger.warning(f"⚠️  Cannot create bucket - permission issue: {e}")
             logger.info("The bucket may already exist or you don't have permissions")
         else:
-            # Try alternative bucket name format
             try:
                 _api.create_bucket(
                     bucket_id=BUCKET_ID,
                     private=True,
                     exist_ok=True
                 )
-                global OWNER, BUCKET_URI, BUCKET_ID
-                OWNER = ""  # No owner prefix
+                # now we can safely reassign globals
+                OWNER = ""
                 BUCKET_URI = f"hf://buckets/{BUCKET_ID}"
                 logger.info(f"✅ Bucket '{BUCKET_ID}' is ready (alternative format)")
             except Exception as e2: